Portable biometric scanner



FIG. 1 is a perspective view of the scanner;

FIG. 2 is a front view of the scanner;

FIG. 3 is a left side view of the scanner;

FIG. 4 is a right side view of the scanner;

FIG. 5 is a top view of the scanner;

FIG. 6 is bottom view of the scanner; and,

FIG. 7 is a rear view of the scanner.

The broken lines shown in the drawings represent portions of the portable biometric scanner that form no part of the claimed design. 

CLAIM The ornamental design for a portable biometric scanner, as shown and described. 